As has been stated, Xeons are pretty useless unless you can somehow avoid all the cost that is actually involved,because in order to get a Xeon that can compete with the desktop counterpart in terms of speed, you'll be paying an arm and a leg (E5-1680v3 @ $1,700 vs 5960X @ $1,000). In addition to that, cannot overclock Xeons, so it's not as if you can grab a cheap one, pump a bunch of voltage into it, and add 1GHz to its stock clockspeed--It just no longer works that way. Something like the 5960X has a turbo frequency of 3.5GHz, which it's likely going to sit at with no problem unless it runs into some sort of thermal issue, but it's also likely that you can push the chip to 4GHz with little effort, making it even better (in the areas that we would need it) than the $1,700 E5-1680.